In a large bowl, combine cauliflower, shredded frozen potatoes, cream of chicken, Greek yogurt, onion, and ¼ cup shredded cheese. Stir until all ingredients are combined. Add salt and pepper to taste.
Spread mixture in a 9x13 inch casserole dish. Sprinkle 1 cup shredded cheese on top and cover.
Place in oven and bake for approximately 45-55 minutes or until potatoes are tender and fully cooked.
Uncover and broil on high for 5-8 minutes.
Serve and enjoy!
Notes
Nutritional Information for 1 serving: Calories 135, Carbohydrates 15g, Fat 5g, Saturated Fat 3g, Protein 8g, Sugars 4g